It looks like, I have the problem with my 2009 Prius, but i was wondering : don't you need any purge of the cooling system after this work is done ? Is there any chance that some air might come into the cooling system during the "clamp" session?
View 2 RepliesWhen I'm going up hill or any time I'm at high RPM's, a flicking (not clicking) noise starts. Additional revving of engine. At first, I thought it was the AC blower motor. It's def not that though.
View 3 RepliesA 2004 and up f150. I found one in great shape for 5,000 dollars with 120,000. Drives good but it has a knock I'n the 5.4 engine. It gets quieter when the engine is warm. Should I avoid this truck or will I be okay with purchasing? Only thing holding me back from buying truck is the knock...
View 9 RepliesMy Prius has been sitting in the fridged weather in my driveway. It's Tuesday and the temperature is currently 18F. The last time I drove this car was two days ago on Sunday.
I started it up a few minute ago and heard a HORRIBLE knock or slap from the engine bay. It alarmed me to the point where I wanted to run in and grab my camera but I tried listening to understand what it could be. At first I thought it might be a belt came loose and was whipping around hitting the components but it went away after about 30-40 seconds. It was so loud that I thought the neighbor two doors down who was shoveling snow could hear it.
I will let it sit overnight and will definitely capture this on video in the morning. I have a feeling the noise will be back.
I once experienced the noisy engine start up.. It sounded like the engine was trying to run backwards or severe pre-ignition.
View 2 RepliesA buddy of mine has a late 2000 passat 2.8. He recently developed a bad knocking at higher RPM's. I took a look at it and it is coming from the bottom end of the motor (rod bearing, crank bearing?) He has no loss of power and the knock is not there at idle.
View 2 RepliesI know this issue has been posted and discussed multiple times on early Gen 3 Prius'. That said, I don't see much on it regarding the Prius v ( lowercase v for the Prius v wagon, not an uppercase ). There is also of course a TSB for earlier Prius' that had the issue.
I can readily replicate the issue in that almost every time I 'think' it may happen the next time I start the vehicle, it does in fact do so.
If I move the vehicle from the garage to the driveway or around in the driveway to clear snow, the ICE fires for a few seconds then I shut it off as the car is where I need it. Upon the next ICE start, there is a horrible knocking under the hood somewhere. Different from the previous messages and the TSB itself is that I never get an error code or MIL.
I'm to the point where if I move the car, I let it warm up completely. I figure I'm better off wasting fuel than subjecting my Prius to whatever horrible thing is happening under the hood if I don't.
Temperature outside (weather data): 55F. Temperature gauge in prius: 57F. It felt more like 70F. It's a 2010 Prius III model that is 6 months old and has about 3942 miles and is driven VERY carefully.
I start the Prius and when the ICE engages to warm up. There's LOUD intense engine knock. I immediately turn the power off. After a couple of seconds, I start it again....the ICE engages again and then starts knocking rapidly (it is definitely knocking) and after 10 seconds. It goes back to normal. It was so intense that it may have damaged other components or the engine block itself.
I have seen a few separate threads regarding a front rattle/knocking noise on some Gen II Prius. This is not the engine mount metallic-knock sound but rather a subtle rattle coming from the front end when going over smallish bumps at low speeds and sometimes accompanied by a slight knock in the steering wheel.
View 17 RepliesSo I have searched about engine rattle/knock and I have found lots of results for cold starts but I haven't found it for the issue that I am having. I have a 2010 and anytime the battery is real low, around 2 bars and the ICE fires up to charge it, any time I give it a little throttle input, I get heavy valve rattling. It doesn't matter if its cold or hot, it does it as long as the battery is low. I never get this noise when battery is charged up, only when low. I have a link to the video below and you can see once I give it some input, it starts to sound like an old diesel tractor. Prius has close to 200K on the odometer and all my maintenance is up to date. Please turn the speakers up but the noise is right at 5 seconds in or so.
View 13 RepliesKnock or tick at 1000 rpm. Truck has 20000 miles on it. Dealer replaced cam phasers. What next?
View 1 RepliesMy wife called today on the side of the road with a strange knock/rattle sound from the front (engine/trans/etc) along with an apparent loss of power. (no prior warning signs -- just started) She wisely stopped driving, then called me, and we decided it would be wise to have it towed home.
(Let me take a moment to praise my wife who has always been extraordinarily attentive to the mechanical operation of her vehicles. I've always been the fleet mechanic, and if she has ever experienced anything out of the ordinary, she contacts me immediately. She's not frantic or unreasonable -- in fact she's fiercely independent -- she's simply a conscientious person, and I love that about her.)
So we get the car home and I begin looking into what's going on. Was hoping it would be something simple like a motor mount or exhaust shield... no such luck. Everything externally seems fine.
I have an '01 Prius, 185,000 miles. A few years ago, it developed an engine (?) knock immediately after starting; disappears after 30 sec. It has gotten progressively louder and now runs very rough during those 30 sec. After that, just hums along.
View 9 RepliesExperienced this (Loud engine knock or rattle noise) regarding the service bulletin (T-SB-0010-12)? If so, did you take your vehicle in for service?
View 19 RepliesLexus 3.3L RX-330 Engine Noise - Part 3 - YouTube
I am concerned with an engine noise.
5 months ago we bought a 2005 Lexus RX-330. It had 109k miles on it (now has 113k). There is a faint but noticeable engine tap/ knock/ tick coming from the engine. I think it has the 3.3l, 3gr-fe engine.
I have listed some observations:
The sound does not occur on startup, when the car is completely cold.
The sound starts after 5-10 minutes of driving or idling.
The sound diminishes and is almost imperceptible after another 10 minutes of driving.
The sound is only noticeable at idle.
The sound/tap seems to occur about 5 times a second at 600 rpm (idle)
The sound increases frequency with rising of rpm.
At approximately 2k rpm the sound cannot be heard.
If the vehicle is stopped after driving, allowed to sit for 5-10 minutes and then restarted, the sound will be loudest even though the engine is still hot.
The engine is quiet overall with exception of this sound. The fuel injector sound is the next loudest sound.
The sound doesn't seem to have gotten louder in the last 5 months but it may have gotten just slightly louder by my estimation.
I can hear the sound inside the vehicle and outside as well.
No other symptoms are present. I had the timing belt, water pump, idler and tensioner replaced as maintenance and as a possible solution to this problem right after buying the vehicle.
The mechanic heard the sound but told me he wasn't sure of the cause. He and I agree that it sounds like an internal engine noise. It is not a pulley, idler or exhaust sound. The mechanic told me not to worry about it and it was a normal sound. He also said to start troubleshooting would get expensive. I am still concerned.
I have a 2008 fx4 with 75000 km it runs great but when I go on a long ride up hills or tow my trailer it acts up only when I get to my destination. the engine will run really rough and knock loudly seems only when I use reverse or sometimes park (and oil pressure in dash looks good),and if I shut ignition off and restart it no problems till I make engine work hard again.
View 14 RepliesI am having a hard time locating a mechanical knock coming from my truck. This is not an engine knock but rather a clunking noise when I come to a slightly abrupt stop and sometimes when I take off or am steering. I have recently replaced my upper and lower ball joints and all the u-joints as well. My truck has a 6" Fabtech Coil over lift and a 3" body lift. The truck is also rather squeaky when going over speed bumps.
View 8 RepliesMy 05 rpms rise on one road in only one place and no where else. I am going down hill coasting (in drive) and pass over road damage (blacktop St RT 131 Ohio) which sways my car to the left and then imed. back to the right. This then happens one more time within 35 feet. rpms usually go up but does not make the car speed up. on1/24/11 on same hill a change occurred. Pass over "hump" again (always downhill) coasting or braking and rpms went way up . again, the cars speed in NOT changed. Toyota dealer wants me to come in. Wants to duplicate rpm revving. Only does it on ST. RT. 131 hill so I told them they can not just make it happen. No codes showed on Autozone's hand held computer checking device.
View 14 RepliesRPM's (tachometer needle) not working when engine on, also when I'm drive wy SUV. 2003 GX470...
View 2 RepliesAt the beginning December I put my brand new winter tires (general altimax arctics) on the factory steelies and put them on the car gearing up for the snow. Not to long after the install I notice that I was getting a very strong engine vibration starting at 3,000 rpms and it stopped around 3,100 rpms no matter what gear I was in. At first I though it maybe just the cold affecting the engine. Well...
Last week I put my summer rims and tires back on for the 1,600 mile trip to MO and back, and like magic, no more heavy vibrations. Smooth acceleration throughout the normal driving rpm range. I just changed the oil and tranny fluids Tuesday after we got back and with the warmer weather the car is running smooth as silk. Still an awesome car with awesome mileage and couldn't be happier.
What could cause this? I have 100k and I only notice this if in park or neutral at 1500rpms. It goes away before and after and it seems to drive very smoothly. I had a bad alternator and I just replaced it but the "new" one is making a high pitching ringing so I'm having the shop change that out for a new oem. Any chance it's the alternator or could this be something else. I have sea foamed the throttle body recently and cleaned the maf recently and changed the air filter. I didn't do plugs but they are do at 120k
View 7 Replies